Increases engine power 8% to 12% over conventional spark plugs!

DiamondFIRE - The unique patented electrode configuration of the E3 spark plug increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions.

• Lifetime Guarantee • Quicker Starts • Saves on fuel and Reduces emissions• Produces up to 12% more power, reducing fuel consumption by up to 13% while cutting harmful toxic emissions up to 58% • By reducing carbon deposits, your engine will run cleaner and smoother and last longer• Edge-to-Edge design concentrates spark energy for easier starts in all weather conditions